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    題名: TCWTP: Time-Constrained Weighted Targets Patrolling Mechanism in Wireless Mobile Sensor Networks
    作者: Chang, C. Y.;G. Chen;Yu, G. J.;Wang, T. L.;Wang, T. C.
    貢獻者: 淡江大學資訊工程學系
    關鍵詞: Data collection;sweep coverage;target coverage;weighted target patrolling;wireless mobile sensor networks (WMSNs)
    日期: 2015-06-01
    上傳時間: 2015-05-14 19:40:50 (UTC+8)
    出版者: Piscataway: Institute of Electrical and Electronics Engineers
    摘要: Target coverage problems have received much attention in recent years. In a large monitoring environment where targets are distributed over an entire monitored region, deploying static sensors leads to high hardware costs because a high number of sensors may be required to achieve network connectivity. This paper considers the target-patrol issue where a set of mobile data mules (DMs) are dispatched to efficiently patrol the given targets under a predefined time constraint. The targets are assigned weights indicating their importance, where more important targets should be visited more frequently by the DMs. Accordingly, this paper proposes a time-constrained weighted targets patrolling (TCWTP) algorithm for locally constructing efficient patrol paths, thereby ensuring globally stable intervals between visits to all target points. A performance analysis revealed that the proposed TCWTP mechanism outperforms existing works in terms of the average interval between visits, quality of monitoring satisfaction ratio, and monitoring fairness ratio.
    關聯: IEEE Transactions on Systems, Man, and Cybernetics: Systems 45(6), pp.901-914
    DOI: 10.1109/TSMC.2014.2378212
    顯示於類別:[資訊工程學系暨研究所] 期刊論文


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